( Reaffirmed 2001 ) Indian Standard SPECIFICATION FOR SODIUM MONOCHLOROACETATE Organic Chemicals ( Miscellaneous ) Sectional Committee, CDC 4 Chairman SHRI S. L. VENKITE~WARAN Representing Ltd, Bombay Amar Dye&hem Members Indian Petro-Chemicals Corporation Ltd. Baroda DR K. AOHORAMURTHY DR K. C. SIN~H,U ( Aiternate ) Hindustan Organic Chemicals Ltd, Rasayani SARI P. V. ARVR Regional Research Laboratory (CSIR ) , Hyderabad DR U. T. BHALERAO DR R. V. VBNKATARATNAM ( Alternate ) National Test House, Calcutta SHRI A. K. BHATIACHARYA DR D. K. DM ( Alternate ) Directorate General of Technical Development, ' DR S. P. BHA~ACH;\RYA New Delhi The Development Commissioner, Small Scale IndusSHRI S. K. CHAKRABORTY tries, New Delhi Carbide Chemicals Company, Bombay DR D. CHOVDHVRY SHRI J. BAN~RJEE ( Alternate ) National Organic Chemical Industries Ltd, Bombay DR S. K. DAT~A SHRI S. S. AHLVWALIA( Alternare ) Directorate General of Supplies & Disposals SHRI N. G. S. IYER ( Inspection Wing ), New Delhi Indian Chemical Manufacturers' Association, SARI G. C. MOTWAM Calcutta SHRI M. S. RAMAMVRTHY ( Alternate ) Directorate General of Health Services, New Delhi SARI P. S. RAMACHANDRAN DR S. S. OOTEOSKAR ( AIternate ) Ministry of Defence ( R & D ) DR HARI SIN~H National Chemical Industries, New Delhi SHRI SANTOKH SINQH SHRI PRITHVIPAL SINGH ( Alternate `, Hindustan Antibiotics Ltd, Poona ' DR S. R. SARV~THAM DR I. P. BVCH ( Alternate ) Durgapur Chemicals Ltd, Durgapur SARI A. K. SENGUPTA SHRI P. N. GHOSH ( Afternate ) Herdillia Chemicals Ltd, Bombay SWRIN. N. SHANBHAO SHRI I. FERNANDES ( Alternate ) Indian Drugs & Pharmaceuticals Ltd, New Delhi DR D. R. SHRIDHAR ( Continued on page 2 ) @ Copyright 1975 INDIAN STANDARDS INSTITUTION This publication is protected under the Indian Copyright Act ( XIV of 1957 ) and reproduction in whole or in part by any means except with written permission of the publisher shall be deemed to be an infringement of copyright under the said Act. IS :7729-1975 (Continued from page 1 ) Representing Ministry of Defence ( DGI ) SHRI P. N. AGARWAL ( Alternate ) Members R. SLID SHRI L. SHRI M. R. TYAGARAJAN DR G. M. SAXENA, Director ( Chem ) State Trading Corporation of India Ltd, New Delhi Director General, ISI ( Ex-officio Member ) Secretary SHRI S. C. KALRA Assistant Director ( Chem ), IS1 Industrial Organic Chemicals Subcommittee, CDC 4 : 14 Convener DR G. RAMANA RAO Indian Drugs & Pharmaceuticals Ltd, New Delhi Atic Industries Ltd, Bulsar SHRI B. M. BRAHME Excel Industries Ltd, Bombay SHRI K. K. CHHAYA SHRI M. P. MISTRY ( Alternate ) National Organic Chemical Industries Ltd, Bombay DR S. K. DATTA SHRI S. S. AHLUWALIA ( AIternate ) Cibatul Ltd, Atul SHRI R. B. DESAI Morani Chemicals Pvt Ltd, Bombay SHRI F. M. FAQUIH SHRI D. H. KASHYAP ( Alternate ) Suhrid Geigy Ltd, Baroda DR 0. P. MITTAL Atul Drug House, Bombay SHRI 0. P. NARANG SHRI A. P. MODY ( Alternate ) Alta Laboratories Pvt Ltd, Khopoli SHRI S. S. SAVLIWALA SHRI R. R. BHAT ( Afternate ) Herdillia Chemicals Ltd, Bombay SHRI N. N. SHANBHAG SHRI I. FERNANDES ( Alternate ) Sarabhai Chemicals, Baroda DR S. SOMASEKHARA DR G. S. MEWADA ( Alternate ) National Chemical Laboratory. Poona DR M. K. UNNI Hindustan Antibiotics Ltd, Pddna DR M. G; VAIDYA DR P. V. DESHMUKH( Alternate ) Hindustan Organic Chemicals Ltd, Rasayani SHRI H. K. VENKATARAMIAH SHRI A. D. PATANKAR ( Alternate ) Members DR S. N. MAHAJAN ( Alternate to Dr G. Ramana Rao ) IS : 7729 - 1975 Indian Standard SPECIFICATION FOR SODIUM MONOCHLOROACETATE 0. FOREWORD 0.1 This Indian Standard was adopted by the Indian Standards Institution on 8 July 1975, after the draft finalized by the Organic Chemicals (Miscellaneous) Sectional Committee had been approved by the Chemical Division Council. 0.2 Sodium monochloroacetate is used in the manufacture of sodium carboxymethyl cellulose (CMC ), carboxymethyl starch ( CMS ), ethylene diaminetetraacetic acid ( EDTA ) and carboxymethyl guar gum. It is also used in the manufacture of herbicides like 2,4-Dichlorophenoxyacetic acid. 0.3 For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test or analysis, shall be rounded off in accordance with IS : 2 - 1960*. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard. 1. SCOPE 1.1 This standard prescribes the requirements and methods of sampling and test for sodium monochloroacetate ( SMCA ). 2. REQUIREMENTS 2.1 Description -The material shall be white to creamish amorphous or granular powder, 2.2 Solubility - The solubility of the material in distilled water at 25°C shall be about 38 percent ( 38 percent SMCA and 62 percent water ) . 2.3 The material shall also comply with the requirements given in Table 1 when tested according to the methods prescribed in Appendix A. Reference to the relevant clauses of Appendix A is given in co1 4 of the table. *Rules for rounding off numerical values ( revised ). 3 IS : 7729 - 1975 TABLE 1 REQUIREMENTS FOR SODIUM 2.3 ) MONOCHLOROACETATE ( Clause El. CHARACTERISTIC REQUIREMENT METHOD OF TEST ( REF TO CL No. IN APPENDIX A ) (4) A-2 A-2 A-2 A-2 A-3 (1) (2) Sodium monochloroacetate, percent by mass, Min, on dry basis Sodium chloride (as NaCl), percent by mass, Max, on dry basis Free monochloroacetic acid, percent by mass, Max, on dry basis Sodium dichloroacetate, percent by mass, Max, on dry basis Sodium carbonate ( as Na,CO, ), gerc;t by mass, Max, on dry Sodium glycollate, percent by mass, Max, on dry basis Moisture, percent by mass, Max (3) 96.0 1.5 1.0 1.0 9 ii) iii) iv) v) 0.5 vi) vii) viii) 1.5 2'0 0.004 A-4 A-S A-6 Iron salts (as Fe), percent by mass, Max 3. PRECAUTIONS IN HANDLING Proper care 3.1 Sodium monochloroacetate causes irritation to the skin. should, therefore, be exercised while handling this material. 4. PACKING AND MARKING 4.1 Packing - The material shall be packed in polyethylene nixed hessian bags provided with extra polyethylene bags. lined bitumi- 4.2 Marking - The bags shall be securely closed and shall bear legibly and indelibly the following information: Name a> b) of the material; Name of the manufacturer if any; and/or his recognised trade-mark, Cl Lot or batch number; and 4 Net mass of the contents. 4 IS : 7729 - 1975 4.2.1 The bags may also be marked with the IS1 Certification Mark. NOTE-The use of the IS1 Certification Mark is governed by the provisions of the Indian Standards Institution ( Certification Marks ) Act and the Rules and Regulations made thereunder. The IS1 mark on products covered by an Indian Standard conveys the assurance that they have been produced to comply with the requirements of that standard under a well-defined system of inspection, testing and quality control which is devised and supervised by IS1 and operated by the producer. IS1 marked products are also continuously checked by IS1 for conformity to that standard as a further safeguard. Details of conditions, under which a licence for the use of the ISI Certification Mark may be granted to manufacturers or processors, may be obtained from the Indian Standards Institution. 5. SAMPLING 5.1 Representative samples of the material shall be drawn and their conformity to this standard shall be judged as prescribed in Appendix B. APPENDIX A ( Clause 2.3 and Table 1 ) METHODS OF TEST FOR SODIUM MONOCHLOROACETATE A-l. QUALITY OF REAGENTS A-l.1 Unless specified otherwise, pure chemicals ( see IS : 1070 - 1960* ) shall be used in tests. NOTE- ` Pure chemicals' shall mean chemicals which affect the results of analysis, and distilled water that do not contain impurities A-2. DETERMINATION A-2.1 Reagents OF SODIUM MONOCHLOROACETATE 5 N. A-2.1.1 Sodium Hydroxide Solution A-2.1.2 Nitric Acid - 5 N. A-2.1.3 Phenolphthalein Indicator Solution - Dissolve 0.1 g of phenolphthalein in 100 ml of 60 percent rectified spirit. A-2.1.4 Standard Silver Nitrate Solution - 0.1 N. *Specification for water, distilled quality 5 (revised). IS : 7729- 1975 A-2.1.5 Concentrated Nitric Acid - conforming to IS : 264 - 1968*. A-2.1.6 Ferric Alum Indicator Solution - saturated. A-2.1.7 Standard Ammonium Thiocyanate Solution - 0.1 N. A-2.1.8 Nitrobenzene A-2.2 Procedure . A-2.2.1 Determination of Total Chlorine - Weigh 4 g of the dried material ( see A-5.2.2 ) in a lOO-ml glass-stoppered flask and add 30 ml of sodium hydroxide solution. Reflux the contents under a water-cooled condenser for 2 hours, using glass beads to prevent bumping. After cooling, rinse the condenser with a small quantity of distilled water and neutralise the contents with nitric acid, using phenolphthalein as. indicator. Transfer the solution to a loo-ml one-mark graduated flask, add distilled water to the mark and shake well. Name the solution as Solution A. Transfer 10 ml of the Solution A to a conical flask and then add 5 ml of nitric acid in excess. Add 50 ml of standard silver nitrate solution, 3 ml Titrate the contents with standard of nitrobenzene and shake vigorously. ammonium thiocyanate solution using ferric alum as indicator, until a permanent faint reddish-brown colour appears. Carry out a blank titration using the same amount of reagents and following the same procedure. A-2.2.1.1 Calculation Total chlorine content (X ), percent by = 35.45 (V, --Vz ) N mass A4 where V, = volume in ml of standard ammonium thiocyanate solution required for the blank titration, Vz = volume in ml of standard ammonium thiocyanate solution required in the titration with the material, N = normality of standard ammonium thiocyanate solution, and M = mass in g of the dried material taken for the test. A-2.2.2 Determination of Sodium Chloride Content-Weigh 3 to 4 g of the dried sample (see A-5.2.2) in a 250-ml flask, neutralize with concentrated nitric acid and then add 5 ml of the acid in excess. Add 20 ml of Further add 3 ml of nitrobenzene and standard silver nitrate solution. shake vigorously. Titrate the contents with standard ammonium thiocyanate solution using ferric alum indicator until a permanent faint reddishbrown colour appears. *Specification for nitric acid ( first revision ). 6 IS : 7729 - 1975 A-2.2.2.1 Calculation Chlorides (as NaCI), percent by mass (X, ) =5'845 ( `G-v4 1 )N where V3 = volume in ml of standard ammonium thiocyanate tion required for the blank titration, V, = volume in ml of standard ammonium in the titration with the material, thiocyanate soluused N = normality of standard ammonium thiocyanate and A-2.2.3 Determination of Free Acid ( Monochloroacetic Acid ) A-2.2.3.1 Reagent Standard sodium hydroxide solution - solution, M, = mass in g of the dried material taken for the test. 0.1 N. A-2.2.3.2 Procedure - Weigh about 5 g of the dried material (see A-5.2.2) in a 250-ml conical flask. Dissolve in 50 ml of distilled water and titrate the contents with standard sodium hydroxide solution using phenolphthalein indicator. A-2.2.3.3 Calculation Monochloroacetic by mass where Vc, = volume Acid (X, ), percent = 9'45 x V, x Nz M, sodium hydroxide solution in ml of standard used in the titration, N, = normality of standard sodium hydroxide solution, and M, = mass in g of the dried material taken for the test. A-2.2.4 Determination of Sodium Dichloroacetate A-2.2.4.1 Reagents Calcium a> acetate solution 5 percent. 2 N. 0.1 N. b) cl 4 Concentrated ammonium hydroxide solution. Sulphuric acid solution Standard potassium permanganate solution - 7 IS : 7729 - 1975 A-2.2.4.2 Procedure - Transfer 50 ml of solution A (see A-2.2.1 ) in a 250-ml beaker and add 10 ml of calcium acetate solution. Heat to boiling and neutralize with concentrated ammonium hydroxide solution adding a few ml in excess. Place the beaker on a water-bath for about 1 hour and Filter off the allow the contents to stand overnight at room temperature. precipitate on filter paper and wash with dilute ammonia. Return the precipitate to the beaker and remove the last traces of the precipitate from the filter paper by washing with 50 ml of sulphuric acid. Heat the contents to 70°C and titrate with standard potassium permanganate solution to a faint rose-colour which persists for 30 seconds. A-2.2.4.3 Calculation Sodium dichloroacetate by mass where V, = volume in ml of standard potassium permanganate solution used in the titration, N, = normality of standard potassium permanganate solution, and M, = mass in g of the material taken for the test. A-2.3 Calculation Sodium monochloroacetate, mass = 116.45 and A-2.2.4.3. A-3. DETERMINATION A-3.1 Reagents A-3.1.1 Ammonium Hydroxide Solution - Sp gr 0.90. A-3.1.2 Barium Chloride Solution - 10 percent (m/v), neutral to phenolphthalein indicator. A-3.1.3 Standard Hydrochloric Acid - 0.1 N. A-3.1.4 Standard Sodium Hydroxide Solution - 0.1 N. A-3.1.5 Phenolphthalein Indicator - Dissolve 0'1 g of phenolphthalein in 60 ml of rectified spirit conforming to IS : 323- 1959* and dilute to 100 ml. *Specification for rectified spirit (revised ). 8 (X,), percent = 30.18 x V, x N, M, percent by (J',--V,)N M - (Vs-V,)N lOM, `V,xN, ---- lOM, V,Ns 2.5M, where the legends are the same as given in A-2.2.1.1, A-2.2.2.1, A-2.2.3.3 1 OF SODIUM CARBONATE IS : 7729 - 1975 A-3.2 Procedure - Weigh 10 g of the dried material (see A-5.2.2) and dissolve in 50 ml of water containing sufficient ammonia to keep the solution slightly alkaline, add another 3 ml of ammonia solution in excess and then add while stirring 15 ml of barium chloride solution. Cover the beaker with a thin rubber membrane to keep away the carbon dioxide in the air. After 30 minutes, filter the solution and wash the precipitate with 50 ml of diluted barium chloride solution and then with 20 ml of water. Transfer the precipitate along with the filter paper to a washed beaker, add Titrate the 50 ml of water and a few drops of phenolphthalein indicator. contents with standard hydrochloric acid until the red colour has disappeared and then add another 30 ml of standard hydrochloric acid to completely dissolve the precipitate. Boil the contents for a few minutes, cool and titrate the excess hydrochloric acid with standard sodium hydroxide solution. A-3.4 Calculation Sodium carbonate (as Na,CO,), by mass where v, = volume in ml of standard hydrochloric acid used in the titration, N, = normality of standard hydrochloric acid, vp, = volume of standard sodium hydroxide solution used in the back titration, Nz = normality of standard sodium hydroxide solution, and mass in g of the dried material taken for the test. M= A-4. DETERMINATION OF SODIUM GLYCOLLATE A-4.1 Reagents A-4.1.1 Chromotropic Acid Solution - 5 percent. A-4.1.2 Concentrated Sulphuric Acid - Conforming to IS : 266 - 1961*. A-4.1.3 Standard Sodium Glycollate Solution -Weigh O*lOOO g of sodium glycollate, dissolve in water and dilute to one litre with water in a measuring flask. One millilitre of this solution contains 0'1 mg of sodium glycollate. A-4.2 Procedure A-4.2.1 Calibration Graph - Take 0.1, 0'2, 0.3, 0.5, 0.7, and 1.0 ml of standard glycollate solution in small stoppered conical flasks. Add *Specificationfor sulphuric acid ( revised ). 9 percent = 5.3 ( VIN1 -V2N, M ) IS : 7729 - 1975 sufficient water to each flask to make the volume to 1 ml followed by 0'5 ml of chromotropic acid and 20 ml of concentrated sulphuric acid. Similarly prepare a blank using 1 ml water instead of standard glycollate solution. Then heat all the flasks in a boiling water-bath for 30 minutes, cool to room temperature and make up the volume to 25 ml with concentrated sulphuric acid. Measure the optical densities of the solutions in a spectrophotometer or electrophotometer at a wavelength of 570 rnp in 1 cm glass cells. Draw a graph plotting optical densities as a function of the quantities of sodium glycollate present in 25 ml of sulphuric acid solution. A-4.2.2 Weigh 0'5 g of the dried material ( see A-5.2.2 ) and dissolve in 100 ml of water contained in a conical flask. Pipette out 1 ml of the solution into 25 ml glass stoppered conical flask. Add 0.5 ml of chromotropic acid solution ( freshly prepared ) and 20 ml of concentrated sulphuric acid. Similarly prepare a blank using I ml of water in place of the sample solution. Loosen the stoppers of the flasks and heat in boiling water bath for 30 minutes. Cool to room temperature and make up the volume to 25 ml with concentrated sulphuric acid in a standard flask. Measure the optical density of the ,solution in the spectrophotometer or electrophotometer at a wavelength of 570 my. and by reference to the calibration chart (see ~-4.2.1 ) read the sodium glycollate content corresponding to this optical density. A-4.3 Calculation Sodium glycollate content, percent by mass where m = mass in mg of sodium glycollate present in 25 ml of sulphuric acid solution, and M= mass in g of the dried material taken for the test. A-5. DETERMINATION OF MOISTURE CONTENT _ -- 10 m M A-5.1 Method A ( Karl Fischer Method ) A-5.1.1 Weigh O-5 g of the material and determine the moisture content as described in IS : 2362 - 1973*. A-5.2 Metbod B ( Oven Method ) A-5.2.1 Apparatus A-5.2.1.1 Weighing Bottle - Squat type, with stopper. A-5.2.1.2 Electric' Oven - Maintained at 105f2"C. *Determination of water by Karl Fischer method ( first revision ). IS : 7729 - 1975 A-5.2.2 ProcedureWeigh accurately about 25 g of the material into a tared, stoppered, weighing bottle. Keep the bottle in an oven maintained at 105f2"C for 3 hours. Cool in a desiccator and weigh. Preserve the dried material for the determination of all other requirements. A-5.2.3 Calculation Moisture, percent by mass = where M = mass of the sample before drying, and M1 = mass of the sample after drying. A-6. DETERMINATION OF IRON A-6.1 Apparatus A-6.1.1 Nessler Cylinders - 50 ml capacity ( see IS : 4161- 1967* ). A-6.2 Reagents A-6.2.1 Hydrochloric Acid - Conforming to IS : 265 - 1962t. A-6.2.2 Ammonium Persulphate - Solid. A-6.2.3 Ammonium Thiocyanate Solution - Dissolve 300 g of ammonium thiocyanate in water and dilute to 1000 ml. A-6.2.4 Dilute Sulphuric Acid 10 percent ( v/v ) A-6.2.5 Standard Iron Solution - Dissolve 0.702 g of ferrous ammonium sulphate [ FeS0,.(NH,),S0,.6H20] in 10 ml of 10 percent sulphuric acid and dilute to 100 ml with water. Take 10 ml of this solution, add 10 ml of dilute sulphuric acid and then dilute to 1000 ml with water. One millilitre of this diluted solution contains 0.01 mg of iron ( as Fe ). A-6.3 Procedure - Weigh accurately 1 g of the material into a Nessler cylinder and dissolve in about 20 ml of water, add 2 ml of hydrochloric acid and dilute up to the mark. Add 30 to 50 mg of ammonium persulphate crystals, 3 ml of ammonium thiocyanate solution and mix. In another Nessler cylinder carry out a control test with 4 ml of standard iron solution and same quantity of other reagents. Compare the colour produced in both the cylinders in good diffused light against a white background. A-6.3.1 The limit prescribed in Table 1 shall be taken not to have been exceeded if the intensity of colour produced in the test with the material is not greater than that produced in the control test. *Specification tspecification for Nessler cylinders. for hydraulic acid ( revised ). 100 ( M-M,) M 11 IS : 7729 - 1975 APPENDIX ( Clause 5.1') SAMPLING B OF SODIUM MONOCHLOROACETATE OF SAMPLING B-l. GENERAL REQUIREMENTS B-1.0 In drawing, storing and handling test samples, the following precau- tions and directions in addition to those given in 3, shall be observed. B-l.1 Samples shall be taken at a place protected from damp air, dust and soot. B-1.2 Sampling instrument shall be clean and dry. B-l.3 Precautions shall be taken to protect the samples, the material being sampled, the sampling instrument and the containers for samples from adventitious contamination. B-l.4 To draw a representative sample, the contents of each container selected for sampling shall be mixed as thoroughly as possible by suitable means. B-1.5 The samples shall be placed in clean, dry and air-tight glass or other suitable containers on which the material has no action. B-1.6 The sample containers shall be of such a size that they are almost completely filled by the sample. B-1.7 Each sample container shall be sealed air-tight after filling and marked with full details of sampling, the date of sampling, year of manufacture, and other important particulars of the consignment. B-1.8 Samples shall be stored in a cool and dry place. B-2. SCALE OF SAMPLING B-2.1 Lot - All the containers in a single consignment of the material drawn from a single batch of manufacture shall constitute a lot. If a consignment is declared or known to consist of containers pertaining to different batches of manufacture, the containers belonging to the same batch of manufactured shall be grouped together and each such group shall constitute a separate lot. B-2.2 For ascertaining the conformity of the lot to the requirements of this specification, tests shall be carried out for each lot separately. The number (n ) of containers to be selected for drawing the samples shall depend upon the size (N) of the lot and shall be in accordance with Table 2. 12 IS : 7729 - 1975 TABLE 2 NUMBER OF CONTAINERS FOR SAMPLING (Clause B-2.2 ) TO BE SELECTED LOT SIZE N (1) 4 to 25 26 9, 50 51 ,I loo 101 ,, 150 151 ,, 300 301 and above NOTE- When the size of the lot is three or less, all the containers shall be sampled. B-2.3 These containers shall be selected at random from the lot and to ensure the randomness of selection, random number tables shall be used. In case such tables are not available, the following procedure may be adopted: Starting from any container, count them in one order as 1, 2, 3, up to r and so on, where r is the integral part of N/n; N being number of the containers in the lot and n the number of containers be selected. Every rth container thus counted shall be withdrawn give sample for test. B-3. TEST SAMPLES AN-D REFEREE SAMPLE _.., the to to B-3.1 From each of the containers selected as in B-2.2, draw with an appropriate sampling instrument small portions of the material from different parts of the container. The total quantity so drawn from each container shall be approximately equal to thrice the quantity required for testing purposes. B-3.2 Mix thoroughly all the portions of the material drawn from the same container to give a representative sample for the container. B-3.3 From the samples ( B-3.2 ) representing different containers selected as in B-2.2 a small but equal quantity of material shall be taken and thoroughly mixed to form a composite sample, not less than 600 g. The composite sample so obtained shall be divided into three equal parts, one for the purchaser, another for the supplier and the third for the referee. 13 r!?+:7729-1975 B-3.4 The remaining portions of the mate& in the samples ( see B-3.2 ) from different containers shall be divided into three equal parts, each forming an individual sample. One set of individual samples representing the n containers selected shall be for the purchaser, another for the supplier and the third for the referee. B-3.5 All the individual `and composite samples shall be transferred to separate containers. These containers shall then be sealed air-tight with stoppers and labelled with full identification particulars given. in B-&7. B-3.6 The referee samples consisting of a composite sample and a set of n individual samples shall bear the seals of both the purchaser and the supplier and shall be kept at a place agreed to between the two. This shall be used in case of any dispute between the two. B-4. NUMBER OF TESTS B-4.1 Tests for description ( 2.1 ), sodium monochloroacetate content and free monochloroacetic acid content shall be conducted on each of the individual samples. B-4.2 Tests for all other requirements given in Table 1 shall be conducted on the composite sample ( see B-3.3 ). B-5. CRITERIA FOR CONFORMITY B-5.1 For Individual Samples - The lot shall be declared as conforming to the requirements of description, sodium monochloroacetate content and free monochloroacetic acid content if each of the test results satisfies the corresponding requirements given in Table 1. B-5.2 For Composite Samples -For declaring the conformity of a lot to the requirements of all other characteristics tested on the composite sample ( B-4.2 ) the test results for the characteristics shall satisfy the relevant requirements given in Table 1.